7734921097 has 4 divisors (see below), whose sum is σ = 7735619476. Its totient is φ = 7734222720.

The previous prime is 7734921067. The next prime is 7734921107. The reversal of 7734921097 is 7901294377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7901294377 = 41 ⋅192714497.

It can be written as a sum of positive squares in 2 ways, for example, as 4117018896 + 3617902201 = 64164^2 + 60149^2 .

It is a cyclic number.

It is not a de Polignac number, because 7734921097 - 2¹⁹ = 7734396809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7734921097.

It is not an unprimeable number, because it can be changed into a prime (7734921017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332304 + ... + 354817.

It is an arithmetic number, because the mean of its divisors is an integer number (1933904869).

Almost surely, 2^7734921097 is an apocalyptic number.

It is an amenable number.

7734921097 is a deficient number, since it is larger than the sum of its proper divisors (698379).

7734921097 is a wasteful number, since it uses less digits than its factorization.

7734921097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698378.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 7734921097 is about 87948.4001957966. The cubic root of 7734921097 is about 1977.6615164155.

The spelling of 7734921097 in words is "seven billion, seven hundred thirty-four million, nine hundred twenty-one thousand, ninety-seven".